Exmark Laser Z XS Operator's Manual page 40

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4.2.7
d) If adjustment is necessary, loosen the bolt securing the belt guide and
make proper adjustment. Tighten hardware.
BELT GUIDE POSITIONING
Brake Link Adjustment.
Check to make sure brake is adjusted properly.
a) Disengage brake lever (lever down).
b) Measure the length of the spring. Measurement should be 2 3/4" (7.0 cm)
between washers (see Figure 10).
c) If adjustment is necessary, adjust the nyloc nut at the bottom of the spring
to achieve 2 3/4" (7 cm).
d) Engage the brake lever (lever up).
e) The space between the brake spring bracket and the nyloc nut under the
spring should measure 1/16" to 3/16" (1.5-4.8 mm)
f) If adjustment is necessary, loosen jam nut above the trunion roller. Adjust
the nyloc nut under the trunion roller until distance listed above exists
between the spring retainer bracket and the adjacent nyloc nut. Tighten the
jam nut above the trunion roller.
g) If a the correct gap can no longer be achieved because there is no clearance
between nyloc nut below the spring and the jam nut above the trunion or there
are no threads left on the bottom nyloc nut, the length of the brake rod can be
adjusted. Remove a pin from a yoke at either end of the brake rod and
lengthen (or shorten) the brake rod until the correct gap can be achieved by
following steps e) and f).
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FIGURE 9
FIGURE 10
BRAKE ADJUSTMENT
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